期刊
IEEE SIGNAL PROCESSING LETTERS
卷 12, 期 2, 页码 158-161出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LSP.2004.840872
关键词
exhaustive watermark search; geometric attacks; template matching; watermark synchronization
By focusing on a simple example, we investigate the effectiveness of exhaustive watermark detection and resynchronization through template matching against watermark desynchronization. We find that if the size of the search space does not increase exponentially, both methods provide asymptotically good results. We also show that the exhaustive search approach outperforms template matching from the point of view of reliable detection.
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